SPRING HINGE BRS 3-1/2IN *Brand Name: National Hardware *Length: 3-1/2 in. *Finish: Brass *Product Type: Spring Hinge *Number in Package: 1 pk *Number of Holes: 6 *Radius: Square Corner in. *Packaging Type: Carded *Pin Type: Fixed *Hardware Included: Yes *Material: Steel *Spring Return: Yes *Hinge Type: Mortise Spring *Adjustable: Yes *Safe Working Load: 30lbs. *Discovery ACC